function print_window(){
var sPrintable = document.getElementById('printable').innerHTML;
var win = window.open("","printable_window","width=650,height=650,scrollbars=1,resizable=1");
var text = sPrintable;
var html = '' +
''+
' ' + text;
html += "";
//variable name of window must be included for all three of the following methods so that
//javascript knows not to write the string to this window, but instead to the new window
win.document.open();
win.document.write(html);
win.print();
win.document.close();
}